Php/docs/function.mb-substitute-character
mb_substitute_character
(PHP 4 >= 4.0.6, PHP 5, PHP 7)
mb_substitute_character — Set/Get substitution character
Description
Specifies a substitution character when input character encoding is invalid
or character code does not exist in output character
encoding. Invalid characters may be substituted NULL
(no output),
string or int value (Unicode character code value).
This setting affects mb_convert_encoding(), mb_convert_variables(), mb_output_handler(), and mb_send_mail().
Parameters
substchar
- Specify the Unicode value as an int, or as one of the following strings:
-
"none"
: no output -
"long"
: Output character code value (Example:U+3000
,JIS+7E7E
) -
"entity"
: Output character entity (Example:Ȁ
)
-
Return Values
If substchar
is set, it returns TRUE
for success,
otherwise returns FALSE
.
If substchar
is not set, it returns the current
setting.
Examples
Example #1 mb_substitute_character() example
<?php/* Set with Unicode U+3013 (GETA MARK) */mb_substitute_character(0x3013);/* Set hex format */mb_substitute_character("long");/* Display current setting */echo mb_substitute_character();?>